Question

A projectile is projected from base of a right circular cone-shaped hill. The projectile
grazes the vertex and strikes the hill again at base. If a is the semi vertical angle of the
cone and h its height, u is speed of projection and is angle of projection then
tan theta × tan alpha is
11
o
8
hi
C) 3
B) 2.
D) 4
A) 1​

Answer 1

Answer:

please refer to the attachment